deliver!

# File actionmailer/lib/action_mailer/message_delivery.rb, line 88
    def deliver! #:nodoc:
      ActiveSupport::Deprecation.warn(        `#deliver!` is deprecated and will be removed in Rails 5. Use        `#deliver_now!` to deliver immediately or `#deliver_later!` to        deliver through Active Job..squish)

      deliver_now!
    end